Home / 12,110,897.28-18,160,364.34-4,428,751.17

Finding the Fourth Proportional to 12,110,897.28, 18,160,364.34 and 4,428,751.17

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Solution

The fourth proportional to 12,110,897.28, 18,160,364.34 and 4,428,751.17 is: 6,640,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,897.28 : 18,160,364.34 = 4,428,751.17 : x
  2. Step 2: Convert to fraction form
    12,110,897.28/18,160,364.34 = 4,428,751.17/x
  3. Step 3: Cross multiply
    12,110,897.28x = 18,160,364.34 × 4,428,751.17
  4. Step 4: Simplify right side
    12,110,897.28x = 80,427,734,818,401.28
  5. Step 5: Solve for x
    x = 80,427,734,818,401.28/12,110,897.28
  6. Step 6: Final answer
    x = 6,640,939.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.